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Issue 54, 2018
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GO–Cu7S4 catalyzed ortho-aminomethylation of phenol derivatives with N,N-dimethylbenzylamines: site-selective oxidative CDC

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Abstract

Copper chalcogenide nanoparticles (Cu7S4) supported on graphene oxide (GO) have been synthesized for the first time from Cu2S, and used as highly efficient heterogeneous catalysts for oxidative ortho-selective C–H aminomethylation of phenols with N,N-dimethylbenzylamines. The NPs (30–80 nm) have been characterized by HRTEM, SEM-EDX, PXRD, FTIR, Raman, ICP-AES and XPS analyses. The NP catalyzed sp2–sp3 cross dehydrogenative coupling (CDC) features a broad substrate scope, excellent functional group tolerance, high yields, use of an inexpensive and reusable copper catalyst, mild conditions, and no need for pre-functionalization of substrates.

Graphical abstract: GO–Cu7S4 catalyzed ortho-aminomethylation of phenol derivatives with N,N-dimethylbenzylamines: site-selective oxidative CDC

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Publication details

The article was received on 26 Apr 2018, accepted on 04 Jun 2018 and first published on 06 Jun 2018


Article type: Communication
DOI: 10.1039/C8CC03396J
Citation: Chem. Commun., 2018,54, 7511-7514
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    GO–Cu7S4 catalyzed ortho-aminomethylation of phenol derivatives with N,N-dimethylbenzylamines: site-selective oxidative CDC

    S. Gupta, N. Chandna, P. Dubey, A. K. Singh and N. Jain, Chem. Commun., 2018, 54, 7511
    DOI: 10.1039/C8CC03396J

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